211445004230 has 8 divisors (see below), whose sum is σ = 380601007632. Its totient is φ = 84578001688.

The previous prime is 211445004217. The next prime is 211445004233. The reversal of 211445004230 is 32400544112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211445004230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211445004233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10572250202 + ... + 10572250221.

It is an arithmetic number, because the mean of its divisors is an integer number (47575125954).

Almost surely, 2^211445004230 is an apocalyptic number.

211445004230 is a deficient number, since it is larger than the sum of its proper divisors (169156003402).

211445004230 is a wasteful number, since it uses less digits than its factorization.

211445004230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21144500430.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 211445004230 its reverse (32400544112), we get a palindrome (243845548342).

The spelling of 211445004230 in words is "two hundred eleven billion, four hundred forty-five million, four thousand, two hundred thirty".